noun

1. any of a genus (Lupinus) of plants of the pea family, with palmately compound leaves, racemes of white, rose, yellow, or blue flowers, and pods containing beanlike seeds: used for forage, green manure, etc.
2. the seed of the European lupine (Lupinus albus) used in some parts of Europe as food

Etymology: ME lupyne < L lupinus < lupus, wolf: reason for name uncert.

adjective

1. of a wolf or wolves
2. wolflike; fierce; ravenous

Etymology: L lupinus < lupus, wolf